CN107234969A - Electric automobile and its high pressure protector - Google Patents
Electric automobile and its high pressure protector Download PDFInfo
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- CN107234969A CN107234969A CN201610188138.8A CN201610188138A CN107234969A CN 107234969 A CN107234969 A CN 107234969A CN 201610188138 A CN201610188138 A CN 201610188138A CN 107234969 A CN107234969 A CN 107234969A
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- arc
- branch road
- arc sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of electric automobile and its high pressure protector, device includes：High voltage distribution box, high voltage distribution box has multiple branch roads, and multiple branch roads are connected with electrokinetic cell and at least one high-voltage load respectively；At least one arc sensor in multiple branch roads is arranged on, each arc sensor of at least one arc sensor is used to generate arcing fault signal when arc fault occurs in corresponding branch road；The gate-controlled switch being correspondingly arranged with each arc sensor；Control unit, control unit is connected with least one arc sensor and gate-controlled switch respectively, and control unit is used for after arcing fault signal is received, and gate-controlled switch is controlled according to arcing fault signal to cut off corresponding branch road.Thus, can effective detection arc fault, and can cut off the branch road in time when arc fault occurs in respective branch, prevent the branch road from safety problem, lifting vehicle security, reliability occurring because of arc fault.
Description
Technical field
The present invention relates to technical field of electric appliances, the high pressure protector and one kind of more particularly to a kind of electric automobile have the guarantor
The electric automobile of protection unit.
Background technology
With developing rapidly for electric automobile industry, the safety problem of electric automobile is increasingly paid attention to by people.In related skill
In art, generally using the active designs in terms of following two high-voltage safeties：One is in high voltage distribution box set fuse with
Short-circuit protection is carried out, so that short-circuit current is reliably cut off, the safety problem that short trouble triggers is solved；Secondly
It is that electricity leakage sensor is set in high voltage distribution box to carry out earth leakage protective, when leak current fault occurs for vehicle, electricity leakage sensor
Electric leakage signal is sent with the contactor deenergization in cutoff high loop, the safety problem that leak current fault triggers is solved.
But, the shortcoming that correlation technique is present, by way of in high voltage distribution box, fuse and electricity leakage sensor are set, and
All safety problems can not be solved.Therefore, correlation technique needs to be improved.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, one of the present invention
Purpose is to propose a kind of high pressure protector of electric automobile, and the device can detect arc fault, and solves arc fault and draw
The safety problem of hair.
It is another object of the present invention to propose a kind of electric automobile.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of high pressure protector of electric automobile, including：
High voltage distribution box, the high voltage distribution box has multiple branch roads, the multiple branch road respectively with electrokinetic cell and at least one is high
Pressure load is connected；At least one arc sensor in the multiple branch road is arranged on, at least one arc sensor
Each arc sensor is used to generate arcing fault signal when arc fault occurs in corresponding branch road；Passed with each electric arc
The gate-controlled switch that sensor is correspondingly arranged；Control unit, described control unit respectively with least one described arc sensor and institute
State gate-controlled switch to be connected, described control unit is used for after the arcing fault signal is received, according to the arc fault
Signal is controlled to cut off corresponding branch road to the gate-controlled switch.
The high pressure protector of the electric automobile proposed according to embodiments of the present invention, is set in multiple branch roads of high voltage distribution box
At least one arc sensor, and gate-controlled switch is correspondingly arranged with each arc sensor, each arc sensor is corresponding
Branch road occurs generating arcing fault signal during arc fault, and control unit is after arcing fault signal is received, according to electric arc
Fault-signal is controlled to cut off corresponding branch road to gate-controlled switch.Thus, the device can effective detection arc fault, and
The branch road can be cut off in time when arc fault occurs in respective branch, prevent the branch road from safety problem occurring because of arc fault,
Lift vehicle security, reliability.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of electric automobile, including described electric automobile
High pressure protector.
The electric automobile proposed according to embodiments of the present invention, can the event of effective detection electric arc by the high pressure protector of electric automobile
Barrier, and the branch road can be cut off in time when arc fault occurs in respective branch, prevent the branch road from pacifying because of arc fault
Full problem, lifting vehicle security, reliability.
Brief description of the drawings
Fig. 1 is the block diagram of the high pressure protector of electric automobile according to embodiments of the present invention；
Fig. 2 is the block diagram of the high pressure protector of electric automobile according to an embodiment of the invention；
Fig. 3 is the block diagram of the high pressure protector of electric automobile in accordance with another embodiment of the present invention；
Fig. 4 is the fundamental diagram of the high-pressure system of electric automobile according to an embodiment of the invention；
Fig. 5 is the circuit theory diagrams of the high pressure protector of the electric automobile according to a specific embodiment of the invention；And
Fig. 6 is the circuit theory diagrams of the high pressure protector of the electric automobile according to another specific embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
First, present inventor has found and recognized：With the use of electric automobile, high-voltage line will occurs in electric automobile
Road aging or the oxidation of high pressure tie point, the phenomenon such as release, and aging or high pressure tie point because of electric automobile mesohigh circuit
Oxidation, release, electric automobile is operationally it is possible that electric arc, and serious electric arc may ignite the combustible of surrounding,
And then cause electric automobile to there is potential safety hazard.And the fuse in correlation technique not necessarily can when arc fault occurs in loop
Fusing, thus can not in time cut-off loop, knock out electric arc.
Based on this, the present invention proposes a kind of high pressure protector of electric automobile and the electric automobile with it.
Below with reference to the accompanying drawings come the high pressure protector of the electric automobile that describes proposition of the embodiment of the present invention and with it
Electric automobile.
Fig. 1 is the block diagram of the high pressure protector of electric automobile according to embodiments of the present invention.As Figure 1-3,
The high pressure protector includes：High voltage distribution box 10, at least one arc sensor 40, gate-controlled switch 50 and control unit
60。
Wherein, high voltage distribution box 10 has multiple branch roads, and multiple branch roads are negative with electrokinetic cell 20 and at least one high pressure respectively
Carry 30 to be connected, high voltage distribution box 10 is additionally provided with fuse and earth leakage protective device, wherein, high voltage distribution box 10 refers to be used for
Electric automobile high-voltage system is charged, transmitted electricity, distribution, the equipment of control or protection etc., electrokinetic cell refers to be electronic
Automobile provides the power supply of power resources, and high-voltage load can refer to the high power load in electric automobile high-voltage system, such as motor,
Air conditioner, DC/DC converters etc..
At least one arc sensor 40 is arranged in multiple branch roads, each arc sensing of at least one arc sensor 40
Device is used to generate arcing fault signal when arc fault occurs in corresponding branch road, and such as i-th arc sensor is arranged on i-th
In individual branch road, when arc fault occurs in i-th of branch road, i-th of arc sensor will generate arcing fault signal；It is controllable to open
Close 50 to be correspondingly arranged with each arc sensor, that is, say, each arc sensor can correspond to a gate-controlled switch 50.
Control unit 60 is connected with least one arc sensor 40 and gate-controlled switch 50 respectively, and control unit 60 is used for
Receive after arcing fault signal, gate-controlled switch is controlled according to arcing fault signal to cut off corresponding branch road.
Specifically, the operation principle of the high-pressure system of electric automobile can as shown in figure 4, when high-pressure system normal work,
The sense of current as shown by the arrows in Figure 4, and when there is arc fault in any bar branch road in high-pressure system, the electric current of the branch road
It will undergo mutation, and the electric current of total branch road can also undergo mutation.
The high pressure protector of the embodiment of the present invention in multiple branch roads of high voltage distribution box 10 by setting at least one electric arc to pass
Sensor 40 carries out arc fault detection, and when occurring arc fault, control unit 60 can pass according at least one electric arc
The signal that sensor 40 is sent judges the branch road for occurring arc fault, and controls the gate-controlled switch in the branch road to turn off to cut off the branch
Road, so as to extinguish electric arc by cut-off loop, prevents from for example catching fire because security incident occurs for electric arc.
More specifically, current transformer and main control chip can be set in arc sensor 40, arc sensor 40 can pass through electricity
Current transformer is monitored in real time to the electric current of place branch road, and is sent after the current signal monitored is nursed one's health, amplified
To main control chip, the main control chip of arc sensor 40 carries out software analysis to the current signal, and judges whether electric arc occur
Failure, when arc fault occurs in judgement, the main control chip of arc sensor 40 just sends arcing fault signal to control unit
60.Control unit 60 controls to disconnect with the corresponding gate-controlled switch of arc sensor 40 after arcing fault signal is received,
With the branch road where breaking arc sensor 40, so as to extinguish electric arc, prevent high-pressure system from security incident occur because of electric arc.
Further, according to one embodiment of present invention, as shown in Figure 5 and Figure 6, control unit 60 is additionally operable to electric arc
Fault-signal is uploaded to the CAN 70 of electric automobile, to send failure warning information.Also, control unit 60 is also used
Failture evacuation signal is received by CAN 70 after being excluded in arc fault, and controlled each according to failture evacuation signal
Gate-controlled switch is closed.
That is, control unit 60 is additionally attached in the CAN 70 of electric automobile, to carry out CAN communication, when
Control unit 60 is received after arcing fault signal, and control unit 60 sends arcing fault signal by CAN 70
To entire car controller, to fix a breakdown in time, for example, entire car controller can issue the user with warning message by reminding unit
To point out user to carry out breakdown maintenance, and for example, arcing fault signal can also be transmitted to battery manager by entire car controller, electricity
Pool manager controls electrokinetic cell 20 to stop powering for high voltage distribution box 10.After failture evacuation, entire car controller leads to again
Cross CAN and send failture evacuation signal to control unit 60, the control gate-controlled switch 50 of control unit 60 is re-closed,
So that corresponding branch road normal work again.
Thus, arc sensor and gate-controlled switch be set at least one branch road of high voltage distribution box 10, and gate-controlled switch by
Control unit 60 is controlled, and branch road whether occur arc fault will also pass through main control chip judgement, so as to keep away
Exempt from erroneous judgement in many cases.In addition, control unit 60 is also connected by CAN with entire car controller, vehicle control
Device processed can control high pressure branch road normal work in time when arc fault is excluded.
Concrete structure, the work of the high pressure protector of the embodiment of the present invention are described with reference to Fig. 5 and Fig. 6 embodiment
Principle.
According to one embodiment of present invention, as shown in figure 5, at least one arc sensor 40 includes the first arc sensor
401, the first arc sensor 401 is arranged on the tie point L1 being connected with electrokinetic cell 20, wherein, work as tie point
When there is arc fault in L1, first arc sensor 401 generation arcing fault signal, control unit 60 is according to receiving
Arcing fault signal pair is controlled to cut off tie point L1 with the corresponding gate-controlled switch 501 of the first arc sensor 401.
Specifically, one end of the first arc sensor 401 is connected with one end of the input port of high voltage distribution box 10, the first electricity
The other end of arc sensor 401 is connected with one end of corresponding gate-controlled switch 501, the other end of corresponding gate-controlled switch 501
It is connected with the positive pole of electrokinetic cell 20, the control end of corresponding gate-controlled switch 501 is connected with control unit 60, wherein, it is high
The other end of the input port of block terminal 10 is pressed to be connected with the negative pole of electrokinetic cell 20.
Specifically, when multiple branch roads of high voltage distribution box 10 are normally run, there is not electric arc in each branch road, controllable
Switch 501 is in closure state.When there is electric arc in the contactor action in high voltage distribution box 10, the first arc sensor
401 and control unit 60 can determine whether as normal arc phenomenon (duration of normal arc is shorter), can so as to not result in
The misoperation of control switch 501.
When the first arc sensor 401 judges to occur serious electric arc (duration of serious electric arc is longer), the first electric arc
Sensor 401 judges that arc fault occurs at least one branch road, concurrently send arcing fault signal to control unit 60, control is single
Member 60 controls gate-controlled switch 501 to disconnect, and cuts off tie point L1, and stores arc fault information, prevents in unresolved event
Electric automobile re-powers rear adhesive gate-controlled switch 501 in the case of barrier.Finally, control unit 60 sends out arcing fault signal
CAN network is sent to, to notify vehicle to fix a breakdown, and after fixing a breakdown, failture evacuation is sent by CAN and believed
Number give control unit 60, to control gate-controlled switch 501 to close, allow multiple branch roads of high voltage distribution box 10 can be again normal
Work.
According to another embodiment of the invention, at least one arc sensor 40 also includes the second arc sensor to N electricity
Arc sensor, N is the integer more than 2, and it is individual that the second arc sensor to N arc sensors is correspondingly arranged at (N-1)
On the second branch road being connected with high-voltage load, wherein, when electric arc event occurs in any of (N-1) individual second branch road the second branch road
During barrier, the arc sensor generation arcing fault signal in the first arc sensor 401 and any one second branch road, control
Unit 60 controllable is opened according to the arc sensor in the arcing fault signal pair and this received any one second branch road is corresponding
Pass is controlled to cut off any one second branch road；When arc fault or tie point occurs in (N-1) individual second branch road
When arc fault occurs in L1, arc sensor of second arc sensor into N arc sensors generates arc fault letter
Number, control unit 60 is according to the arcing fault signal pair received and the corresponding gate-controlled switch 501 of the first arc sensor 401
It is controlled to cut off tie point L1.
Specifically, high voltage distribution box has (N-1) output port, and the second arc sensor is every into N arc sensors
One end of individual arc sensor is connected with one end of corresponding output port, and the second arc sensor is into N arc sensors
Each arc sensor the other end and corresponding gate-controlled switch one end be connected, the other end of corresponding gate-controlled switch with it is right
The one end for the high-voltage load answered is connected, and the control end of corresponding gate-controlled switch is connected with control unit 60, wherein, it is corresponding defeated
The other end of exit port is connected with the other end of corresponding high-voltage load.
By taking N=4 as an example, as shown in fig. 6, at least one arc sensor 40 also includes the second arc sensor the 402, the 3rd
The arc sensor 404 of arc sensor 403 to the 4th, the second arc sensor 402 is arranged on what is be connected with high-voltage load 1
On first the second branch road L2, the 3rd arc sensor 403 is arranged on second the second branch road being connected with high-voltage load 2
On L3, the 3rd arc sensor 404 is arranged on the 3rd the second branch road L4 being connected with high-voltage load 3, and
Be provided with one the second branch road L2 with the corresponding gate-controlled switch 502 of the second arc sensor 402, in second the second branch road
Be provided with L3 with the corresponding gate-controlled switch 503 of the 3rd arc sensor 403, be provided with the 3rd the second branch road L4
With the corresponding gate-controlled switch 504 of the 4th arc sensor 404.
When there is arc fault in first the second branch road L2 where high-voltage load 1, the first arc sensor 401 and second
Arc sensor 402 detects arc fault, concurrently send arcing fault signal to control unit 60, control unit 60 is
There is arc fault, the control gate-controlled switch 502 of control unit 60 in first the second branch road L2 where can determine that high-voltage load 1
Disconnect, in time first the second branch road L2 of cut-out, extinguish electric arc, and control unit 60 can also notify vehicle first the
There is arc fault in two branch road L2, and control gate-controlled switch 502 is closed again again after fixing a breakdown.Similarly, it is high at other
When there is fault in branch road where pressing load, it would however also be possible to employ identical principle judges the branch road that arc fault occurs,
And the branch road of arc fault occurs in cut-out in time, extinguish electric arc.
If the first arc sensor 401 and the second arc sensor 402, the electric arc of the 3rd arc sensor 403 to the 4th are passed
Sensor 404 all detects arc fault, and electricity occurs in the tie point L1 where control unit 60 then can determine that electrokinetic cell 20
Arc failure judges that arc fault occurs in first the second branch road L2 to the 3rd the second branch road L4, now control unit 60
Control gate-controlled switch 501 disconnects, and cuts off tie point L1, extinguishes electric arc.And control unit 60 can also exclude event
Gate-controlled switch 501 is controlled to close after barrier, so that high-pressure system normal work.
The branch road for occurring arc fault can be thus oriented, and can be cut off in the case where not influenceing other branch roads and electricity occur
The branch road of arc failure.
In addition, at least one arc sensor 40 can be also arranged on the branch road being connected in multiple branch roads with high-voltage load.
To sum up, the high pressure protector of the electric automobile proposed according to embodiments of the present invention, in multiple branch roads of high voltage distribution box
Middle at least one arc sensor of setting, and gate-controlled switch is correspondingly arranged with each arc sensor, each arc sensor exists
Corresponding branch road occurs generating arcing fault signal during arc fault, and control unit is after arcing fault signal is received, root
Gate-controlled switch is controlled according to arcing fault signal to cut off corresponding branch road.Thus, the device can the event of effective detection electric arc
Barrier, and the branch road can be cut off in time when arc fault occurs in respective branch, prevent the branch road from pacifying because of arc fault
Full problem, lifting vehicle security, reliability.
Finally, the invention also provides a kind of electric automobile, the high pressure protector of the electric automobile of above-described embodiment is included.
The electric automobile proposed according to embodiments of the present invention, can the event of effective detection electric arc by the high pressure protector of electric automobile
Barrier, and the branch road can be cut off in time when arc fault occurs in respective branch, prevent the branch road from pacifying because of arc fault
Full problem, lifting vehicle security, reliability.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include at least one this feature containing ground.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be machinery
Connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
The interaction relationship of connection or two elements inside part, unless otherwise clear and definite restriction.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be "above" or "below" second feature
First and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or the feature bag that the embodiment or example are described
It is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (8)
1. a kind of high pressure protector of electric automobile, it is characterised in that including：
High voltage distribution box, the high voltage distribution box has multiple branch roads, the multiple branch road respectively with electrokinetic cell and at least one
Individual high-voltage load is connected；
It is arranged on each electricity at least one arc sensor in the multiple branch road, at least one described arc sensor
Arc sensor is used to generate arcing fault signal when arc fault occurs in corresponding branch road；
The gate-controlled switch being correspondingly arranged with each arc sensor；
Control unit, described control unit is connected with least one described arc sensor and the gate-controlled switch respectively, described
Control unit is used for after the arcing fault signal is received, and the gate-controlled switch is entered according to the arcing fault signal
Row controls to cut off corresponding branch road.
2. the high pressure protector of electric automobile according to claim 1, it is characterised in that at least one described electric arc
Sensor includes the first arc sensor, and first arc sensor is arranged on the tie point being connected with the electrokinetic cell
On, wherein,
When arc fault occurs in the tie point, first arc sensor generates the arcing fault signal, described
Control unit is controlled according to the arcing fault signal pair received gate-controlled switch corresponding with first arc sensor
Make to cut off the tie point.
3. the high pressure protector of electric automobile according to claim 2, it is characterised in that first arc sensing
One end of device is connected with one end of the input port of the high voltage distribution box, the other end of first arc sensor with it is corresponding
Gate-controlled switch one end be connected, the other end of corresponding gate-controlled switch is connected with the positive pole of the electrokinetic cell, it is corresponding can
Control switch control end be connected with described control unit, wherein, the other end of the input port of the high voltage distribution box with it is described
The negative pole of electrokinetic cell is connected.
4. the high pressure protector of electric automobile according to claim 2, it is characterised in that at least one described electric arc
Sensor also includes the second arc sensor to N arc sensors, and N is the integer more than 2, and the second arc sensor is extremely
N arc sensors are correspondingly arranged on (N-1) individual second branch road being connected with the high-voltage load, wherein,
When there is arc fault in any of (N-1) individual second branch road the second branch road, first arc sensor and
Arc sensor in any one described second branch road generates the arcing fault signal, and described control unit is according to receiving
The arcing fault signal pair gate-controlled switch corresponding with the arc sensor in any one described second branch road is controlled to cut
Any one disconnected described second branch road；
When there is arc fault in (N-1) individual second branch road or arc fault occurs in the tie point, described
Arc sensor in one arc sensor and (N-1) second branch road generates the arcing fault signal, the control
Unit according to the arcing fault signal pair received gate-controlled switch corresponding with first arc sensor be controlled with
Cut off the tie point.
5. the high pressure protector of electric automobile according to claim 4, it is characterised in that the high voltage distribution box tool
There are (N-1) output port, one end of each arc sensor of second arc sensor into N arc sensors
It is connected with one end of corresponding output port, each arc sensing of second arc sensor into N arc sensors
The other end of device is connected with one end of corresponding gate-controlled switch, the other end of corresponding gate-controlled switch and corresponding high-voltage load
One end be connected, the control end of corresponding gate-controlled switch is connected with control unit, wherein, the other end of corresponding output port and
The other end of corresponding high-voltage load is connected.
6. the high pressure protector of the electric automobile according to any one of claim 1-5, it is characterised in that the control
Unit processed is additionally operable to the arcing fault signal being uploaded to the CAN of the electric automobile, to send failure warning letter
Breath.
7. the high pressure protector of electric automobile according to claim 6, it is characterised in that described control unit is also used
Failture evacuation signal is received by the CAN after being excluded in the arc fault, and according to the failture evacuation signal
Each gate-controlled switch is controlled to close.
8. a kind of electric automobile, it is characterised in that the high pressure including the electric automobile any one of claim 1-7 is protected
Protection unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188138.8A CN107234969B (en) | 2016-03-29 | 2016-03-29 | Electric car and its high pressure protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188138.8A CN107234969B (en) | 2016-03-29 | 2016-03-29 | Electric car and its high pressure protector |
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| CN107234969A true CN107234969A (en) | 2017-10-10 |
| CN107234969B CN107234969B (en) | 2019-10-11 |
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Cited By (7)
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| CN109986966A (en) * | 2017-12-28 | 2019-07-09 | 长沙市比亚迪汽车有限公司 | The monitoring system of electric car and its high-tension distribution box, monitoring method |
| CN110266096A (en) * | 2019-07-02 | 2019-09-20 | 华人运通(上海)自动驾驶科技有限公司 | The electric power network system of automobile and the control method of electronic relay |
| CN110962603A (en) * | 2019-04-30 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Control module, battery management system, circuit detection and control method |
| CN111086398A (en) * | 2019-12-31 | 2020-05-01 | 浙江合众新能源汽车有限公司 | Power domain controller system |
| CN111791720A (en) * | 2020-07-16 | 2020-10-20 | 东莞市高标软件科技有限公司 | Electric vehicle control system |
| CN112109552A (en) * | 2019-06-21 | 2020-12-22 | 天津艾康尼克新能源汽车有限公司 | Automobile high-voltage power supply circuit, automobile and automobile power supply control method |
| CN112242731A (en) * | 2020-10-14 | 2021-01-19 | 华人运通(江苏)技术有限公司 | Overcurrent protection device for electric automobile, battery system and electric automobile |
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| CN110266096A (en) * | 2019-07-02 | 2019-09-20 | 华人运通(上海)自动驾驶科技有限公司 | The electric power network system of automobile and the control method of electronic relay |
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